/*
 * Created on May 6, 2003
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 * Copyright 2003 Joseph Barnett
 * This File is part of "one 2 oh my god"
 * "one 2 oh my god" is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * Free Software Foundation; either version 2 of the License, or
 * your option) any later version.
 * "one 2 oh my god" is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with "one 2 oh my god"; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package org.mult.daap.client.daap.request;

import java.io.IOException;

import org.mult.daap.client.daap.DaapHost;

import android.util.Log;

/**
 * @author jbarnett
 * @created July 15, 2004
 */
public class UpdateRequest extends Request {
   private int mRevisionNumber = 0;

   public UpdateRequest(DaapHost h) throws BadResponseCodeException,
         PasswordFailedException, IOException {
      super(h);
      query("UpdateRequest");
      readResponse();
      process();
   }

   protected String getRequestString() {
      String ret = "update?";
      ret += "session-id=" + host.getSessionID();
      ret += "&revision-number=" + host.getRevisionNumber();
      return ret;
   }

   protected void addRequestProperties() {
      super.addRequestProperties();
      httpc.addRequestProperty("Host", host.getAddress());
   }

   protected void process() {
      if (data.length == 0) {
         Log.d("Request", "Zero Length");
         return;
      }
      offset += 4;
      offset += 4;
      processUpdateRequest();
   }

   public void processUpdateRequest() {
      String name;
      int size;
      while (offset < data.length) {
         name = readString(data, offset, 4);
         offset += 4;
         size = readInt(data, offset);
         offset += 4;
         if (size > 10000000)
            Log.d("Request", "This host probably uses gzip encoding");
         if (name.equals("musr")) {
            mRevisionNumber = readInt(data, offset); // read 4 bytes
            break;
         }
         offset += size;
      }
   }

   public int getRevNum() {
      return mRevisionNumber;
   }
}
